A263294 - cp's OEIS frontend

A263294 Triangle read by rows: T(n,k) is the number of unlabeled simple graphs with n vertices and treewidth k.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	5
9	4
10	1
11	1
12	9
13	17
14	6
15	1
16	1
17	19
18	72
19	53
20	10
21	1
22	1
23	36
24	323
25	501
26	168
27	14
28	1
29	1
30	75
31	1639
32	5889
33	4163
34	557
35	21
36	1
37	1
38	152
39	9203
40	81786
41	138923
42	42596
43	1977
44	29
45	1

[1, 1, 1, 1, 2, 1, 1, 5, 4, 1, 1, 9, 17, 6, 1, 1, 19, 72, 53, 10, 1, 1, 36, 323, 501, 168, 14, 1, 1, 75, 1639, 5889, 4163, 557, 21, 1, 1, 152, 9203, 81786, 138923, 42596, 1977, 29, 1]

cp's OEIS Frontend

A263294 Triangle read by rows: T(n,k) is the number of unlabeled simple graphs with n vertices and treewidth k.

Table of values

List of values